From 9d075afb1df62276dea06be4a188eaee8fc69420 Mon Sep 17 00:00:00 2001 From: Jeff Carr Date: Sun, 3 Dec 2023 16:08:39 -0600 Subject: clean and rename examples fix syntax try new goreadme remove autogenerated go readme.md Signed-off-by: Jeff Carr --- examples/console-ui-helloworld/log.go | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 examples/console-ui-helloworld/log.go (limited to 'examples/console-ui-helloworld/log.go') diff --git a/examples/console-ui-helloworld/log.go b/examples/console-ui-helloworld/log.go new file mode 100644 index 0000000..b05beaf --- /dev/null +++ b/examples/console-ui-helloworld/log.go @@ -0,0 +1,35 @@ +// This creates a simple hello world window +package main + +import ( + "log" + "fmt" + "os" + arg "github.com/alexflint/go-arg" +) + + +var args struct { + Foo string + Bar bool + User string `arg:"env:USER"` + Demo bool `help:"run a demo"` +} + +var f *os.File +var err error + +func init() { + arg.MustParse(&args) + fmt.Println(args.Foo, args.Bar, args.User) + + f, err = os.OpenFile("/tmp/guilogfile", os.O_RDWR | os.O_CREATE | os.O_APPEND, 0666) + if err != nil { + log.Fatalf("error opening file: %v", err) + } + // hmm. is there a trick here or must this be in main() + // defer f.Close() + + log.SetOutput(f) + log.Println("This is a test log entry") +} -- cgit v1.2.3